diff --git a/third_party/build/srtp/libsrtp.vcproj b/third_party/build/srtp/libsrtp.vcproj
new file mode 100644
index 0000000..5ca9139
--- /dev/null
+++ b/third_party/build/srtp/libsrtp.vcproj
@@ -0,0 +1,423 @@
+<?xml version="1.0" encoding="Windows-1252"?>
+<VisualStudioProject
+	ProjectType="Visual C++"
+	Version="8.00"
+	Name="libsrtp"
+	ProjectGUID="{F0DBAA03-1BA3-4E3B-A2CA-727E3D3AB858}"
+	RootNamespace="libsrtp"
+	Keyword="Win32Proj"
+	>
+	<Platforms>
+		<Platform
+			Name="Win32"
+		/>
+	</Platforms>
+	<ToolFiles>
+	</ToolFiles>
+	<Configurations>
+		<Configuration
+			Name="Debug|Win32"
+			OutputDirectory=".\output\libsrtp-i386-win32-vc8-debug"
+			IntermediateDirectory=".\output\libsrtp-i386-win32-vc8-debug"
+			ConfigurationType="4"
+			CharacterSet="2"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				Optimization="0"
+				AdditionalIncludeDirectories=".,../../srtp/include,../../srtp/crypto/include,../../../pjlib/include"
+				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
+				MinimalRebuild="true"
+				BasicRuntimeChecks="3"
+				RuntimeLibrary="1"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="4"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLibrarianTool"
+				OutputFile="..\..\lib\libsrtp-i386-win32-vc8-debug.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+		<Configuration
+			Name="Release|Win32"
+			OutputDirectory=".\output\libsrtp-i386-win32-vc8-release"
+			IntermediateDirectory=".\output\libsrtp-i386-win32-vc8-release"
+			ConfigurationType="4"
+			CharacterSet="2"
+			WholeProgramOptimization="1"
+			>
+			<Tool
+				Name="VCPreBuildEventTool"
+			/>
+			<Tool
+				Name="VCCustomBuildTool"
+			/>
+			<Tool
+				Name="VCXMLDataGeneratorTool"
+			/>
+			<Tool
+				Name="VCWebServiceProxyGeneratorTool"
+			/>
+			<Tool
+				Name="VCMIDLTool"
+			/>
+			<Tool
+				Name="VCCLCompilerTool"
+				AdditionalIncludeDirectories=".,../../srtp/include,../../srtp/crypto/include,../../../pjlib/include"
+				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
+				RuntimeLibrary="2"
+				UsePrecompiledHeader="0"
+				WarningLevel="3"
+				Detect64BitPortabilityProblems="true"
+				DebugInformationFormat="3"
+			/>
+			<Tool
+				Name="VCManagedResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCResourceCompilerTool"
+			/>
+			<Tool
+				Name="VCPreLinkEventTool"
+			/>
+			<Tool
+				Name="VCLibrarianTool"
+				OutputFile="..\..\lib\libsrtp-i386-win32-vc8-release.lib"
+			/>
+			<Tool
+				Name="VCALinkTool"
+			/>
+			<Tool
+				Name="VCXDCMakeTool"
+			/>
+			<Tool
+				Name="VCBscMakeTool"
+			/>
+			<Tool
+				Name="VCFxCopTool"
+			/>
+			<Tool
+				Name="VCPostBuildEventTool"
+			/>
+		</Configuration>
+	</Configurations>
+	<References>
+	</References>
+	<Files>
+		<Filter
+			Name="Source Files"
+			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
+			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
+			>
+			<File
+				RelativePath="..\..\srtp\srtp\srtp.c"
+				>
+			</File>
+			<File
+				RelativePath="..\..\srtp\pjlib\srtp_err.c"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="Header Files"
+			Filter="h;hpp;hxx;hm;inl;inc;xsd"
+			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
+			>
+			<File
+				RelativePath="..\..\srtp\include\rtp.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\srtp\include\srtp.h"
+				>
+			</File>
+			<File
+				RelativePath=".\srtp_config.h"
+				>
+			</File>
+			<File
+				RelativePath="..\..\srtp\include\ut_sim.h"
+				>
+			</File>
+		</Filter>
+		<Filter
+			Name="crypto"
+			>
+			<Filter
+				Name="ae_xfm"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\ae_xfm\xfm.c"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="cipher"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\cipher\aes.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\cipher\aes_cbc.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\cipher\aes_icm.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\cipher\cipher.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\cipher\null_cipher.c"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="hash"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\hash\auth.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\hash\hmac.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\hash\null_auth.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\hash\sha1.c"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="kernel"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\kernel\alloc.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\kernel\crypto_kernel.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\kernel\key.c"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="math"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\math\datatypes.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\math\gf2_8.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\math\stat.c"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="replay"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\replay\rdb.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\replay\rdbx.c"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="include"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\include\aes.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\aes_cbc.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\aes_icm.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\alloc.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\auth.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\cipher.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\crypto.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\crypto_kernel.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\crypto_math.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\crypto_types.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\cryptoalg.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\datatypes.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\err.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\gf2_8.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\hmac.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\integers.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\kernel_compat.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\key.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\null_auth.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\null_cipher.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\prng.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\rand_source.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\rdb.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\rdbx.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\sha1.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\stat.h"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\include\xfm.h"
+					>
+				</File>
+			</Filter>
+			<Filter
+				Name="rng"
+				>
+				<File
+					RelativePath="..\..\srtp\crypto\rng\ctr_prng.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\rng\prng.c"
+					>
+				</File>
+				<File
+					RelativePath="..\..\srtp\crypto\rng\rand_source.c"
+					>
+				</File>
+			</Filter>
+		</Filter>
+		<Filter
+			Name="tables"
+			>
+			<File
+				RelativePath="..\..\srtp\tables\aes_tables.c"
+				>
+			</File>
+		</Filter>
+	</Files>
+	<Globals>
+	</Globals>
+</VisualStudioProject>